63886772 has 12 divisors (see below), whose sum is σ = 112049700. Its totient is φ = 31872576.

The previous prime is 63886769. The next prime is 63886787. The reversal of 63886772 is 27768836.

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 37405456 = 5146^2 + 6116^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15647 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (9337475).

Almost surely, 2^63886772 is an apocalyptic number.

It is an amenable number.

63886772 is a deficient number, since it is larger than the sum of its proper divisors (48162928).

63886772 is a wasteful number, since it uses less digits than its factorization.

63886772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35410 (or 35408 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 63886772 is about 7992.9201172037. The cubic root of 63886772 is about 399.7639690842.

The spelling of 63886772 in words is "sixty-three million, eight hundred eighty-six thousand, seven hundred seventy-two".